<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>后盾人</title>
  </head>
  <body></body>
  <script>
    let hd = {
      user: "后盾人",
      get: function() {
        // console.log(this);
        // let This = this;
        return () => {
          return this.user;
        };
      }
    };
    let a = hd.get();
    console.log(a());
  </script>
</html>
